Fatal error: Uncaught RedisException: read error on connection in /var/www/html/vendor/colinmollenhour/credis/Client.php:1130 Stack trace: #0 /var/www/html/vendor/colinmollenhour/credis/Client.php(1130): Redis->select(1) #1 /var/www/html/vendor/colinmollenhour/credis/Client.php(619): Credis_Client->__call('select', Array) #2 /var/www/html/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(369): Credis_Client->select(1) #3 /var/www/html/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(242): Cm_Cache_Backend_Redis->_applyClientOptions(Object(Credis_Client)) #4 /var/www/html/vendor/magento/zendframework1/library/Zend/Cache.php(153): Cm_Cache_Backend_Redis->__construct(Array) #5 /var/www/html/vendor/magento/zendframework1/library/Zend/Cache.php(94): Zend_Cache::_makeBackend('Cm_Cache_Backen...', Array, true, true) #6 /var/www/html/lib/internal/Magento/Framework/App/Cache/Frontend/Factory.php(157): Zend_Cache::factory('Magento\\Framewo...', 'Cm_Cache_Backen...', Array, Array, true, true, in /var/www/html/vendor/colinmollenhour/credis/Client.php on line 1148